package com.xu.demo1;

import lombok.Data;
import lombok.Getter;
import lombok.Setter;

/**
 * @author xudenghui
 * @create 2021-08-31 13:35
 **/
@Data
public abstract class Operation {

    private double numberA = 0;

    private double numberB = 0;

    abstract double getResult() throws Exception;



}
